Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:
If your monitor screen remains blank after you use the
previous procedure, check your video controller and computer system; your
monitor is functioning properly.
A warning message may appear on the screen indicating that the monitor is out of sync range.
This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to use. See Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 1280 X 1024 @ 60Hz.
Occasionally, no warning message appears, but the screen
is blank...this could also indicate that the monitor is not synchronizing with the computer or the monitor is in a power save mode.
The following table contains general information about common monitor problems you might encounter.
COMMON SYMPTOMS |
WHAT YOU SEE |
POSSIBLE SOLUTIONS |
| No Video/ Power LED off |
No picture, monitor is dead |
- Check connection integrity at both ends of the
video cable
- Electric outlet verification
- Ensure power button depressed fully
|
| No Video/ Power LED on |
No picture or no brightness |
- Increase brightness & contrast controls
- Perform monitor self-test feature check
- Check for bent or broken pins
|
| Poor Focus |
Picture is fuzzy, blurry or ghosting |
- Push Auto adjust button
- Adjust Phase and Clock controls via OSD
- Eliminate video extension cables
- Perform monitor reset
- Lower video resolution or increase font size
|
| Shaky/Jittery Video |
Wavy picture or fine movement |
- Push Auto Adjust button
- Adjust Phase and Clock controls via OSD
- Perform monitor reset
- Check environmental factors
- Relocate and test in other room
|
| Missing Pixels |
LCD screen has spots |
- Cycle power on-off
- These are pixels that are permanently off and is a natural defect that occurs in LCD technology
|
| Stuck-on Pixels |
LCD screen has bright spots |
- Cycle power on-off
- These are pixels that are permanently on and is a natural defect that occurs in LCD technology
|
| Brightness Problems |
Picture too dim or too bright |
- Perform monitor reset
- Push Auto Adjust button
- Adjust brightness & contrast controls
|
| Geometric Distortion |
Screen not centered correctly |
- Perform monitor reset on "Position Settings Only"
- Push auto-adjust button
- Adjust the centering controls
- Ensure monitor is in proper video mode
|
| Horizontal/Vertical Lines |
Screen has one or more lines |
- Perform monitor reset
- Push Auto Adjust button
- Adjust Phase and Clock controls via OSD
- Perform monitor self-test feature check and determine if these lines are also in self-test mode
- Check for bent or broken pins
|
| Sync Problems |
Screen is scrambled or appears torn |
- Perform monitor reset
- Push Auto Adjust button
- Adjust Phase and Clock controls via OSD
- Perform monitor self-test feature check to determine if scrambled screen appears in self-test mode
- Check for bent or broken pins
- Boot up in the "safe mode"
|
| LCD Scratched |
Screen has scratches or smudges |
- Turn monitor off and clean the screen
|
| Safety Related Issues |
Visible signs of smoke or sparks |
- Do not perform any troubleshooting steps
- Monitor needs to be replaced
|
| Intermittent Problems |
Monitor malfunctions on & off |
- Ensure monitor is in proper video mode
- Ensure video cable connection to computer and to the flat panel is secure
- Perform monitor reset
- Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode
|
